pH – specifications November 10, 2014UncategorizedEinat Specifications Used in the fields of Chemistry, Pharmacology, Biochemistry, Biology, Earth Science, Environmental Science, etc. The pH electrode houses a sensitive glass bulb which detects the H+ concentration in the fluid being tested. Includes storage solution in a container (attached to the probe). The sensor is pre-calibrated at the factory. The probe needs to be offset to pH 7 prior to initial use. Experiment duration: 1 second to 31 days. Sensor Guide and Example labs